First method:
- Power off the phone.
- Then press and hold the Power/Lock key + Volume Down key + Home key.
- Now when the LG Logo appears on the screen, release all keys.
Second method:
- Make sure, that your phone is on.
- Now from the Home screen, touch -> Apps tab -> Settings -> Personal -> Backup & reset -> Factory data reset.
* Note that this procedures reset your settings to the factory default values and delete all your data.
If you reset the phone this way, you are prompted to re-enter the same information as when you first started Android.
Third method:
- Turn off your device.
- Next press and hold Volume Down, and plug in you USB cable into your phone and PC.
- Then press the Home key until you see Adnroid green man.
* You can see what you must to do in video, which contains this tutorial.
- Now if you see logo LG, then release holded button, and plug out USB cable.
- Done!